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<a class="jxr_linenumber" name="1" href="#1">1</a>   <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="2" href="#2">2</a>   <em class="jxr_javadoccomment"> * =================================================================================</em>
<a class="jxr_linenumber" name="3" href="#3">3</a>   <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="4" href="#4">4</a>   <em class="jxr_javadoccomment"> * BSD LICENCE (<a href="http://en.wikipedia.org/wiki/BSD_licenses)" target="alexandria_uri">http://en.wikipedia.org/wiki/BSD_licenses)</a></em>
<a class="jxr_linenumber" name="5" href="#5">5</a>   <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="6" href="#6">6</a>   <em class="jxr_javadoccomment"> * ARTIFACT='barchart-udt4';VERSION='1.0.2-SNAPSHOT';TIMESTAMP='2011-01-11_09-30-59';</em>
<a class="jxr_linenumber" name="7" href="#7">7</a>   <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="8" href="#8">8</a>   <em class="jxr_javadoccomment"> * Copyright (C) 2009-2011, Barchart, Inc. (<a href="http://www.barchart.com/)" target="alexandria_uri">http://www.barchart.com/)</a></em>
<a class="jxr_linenumber" name="9" href="#9">9</a>   <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="10" href="#10">10</a>  <em class="jxr_javadoccomment"> * All rights reserved.</em>
<a class="jxr_linenumber" name="11" href="#11">11</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="12" href="#12">12</a>  <em class="jxr_javadoccomment"> * Redistribution and use in source and binary forms, with or without modification,</em>
<a class="jxr_linenumber" name="13" href="#13">13</a>  <em class="jxr_javadoccomment"> * are permitted provided that the following conditions are met:</em>
<a class="jxr_linenumber" name="14" href="#14">14</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="15" href="#15">15</a>  <em class="jxr_javadoccomment"> *     * Redistributions of source code must retain the above copyright notice,</em>
<a class="jxr_linenumber" name="16" href="#16">16</a>  <em class="jxr_javadoccomment"> *     this list of conditions and the following disclaimer.</em>
<a class="jxr_linenumber" name="17" href="#17">17</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="18" href="#18">18</a>  <em class="jxr_javadoccomment"> *     * Redistributions in binary form must reproduce the above copyright notice,</em>
<a class="jxr_linenumber" name="19" href="#19">19</a>  <em class="jxr_javadoccomment"> *     this list of conditions and the following disclaimer in the documentation</em>
<a class="jxr_linenumber" name="20" href="#20">20</a>  <em class="jxr_javadoccomment"> *     and/or other materials provided with the distribution.</em>
<a class="jxr_linenumber" name="21" href="#21">21</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="22" href="#22">22</a>  <em class="jxr_javadoccomment"> *     * Neither the name of the Barchart, Inc. nor the names of its contributors</em>
<a class="jxr_linenumber" name="23" href="#23">23</a>  <em class="jxr_javadoccomment"> *     may be used to endorse or promote products derived from this software</em>
<a class="jxr_linenumber" name="24" href="#24">24</a>  <em class="jxr_javadoccomment"> *     without specific prior written permission.</em>
<a class="jxr_linenumber" name="25" href="#25">25</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="26" href="#26">26</a>  <em class="jxr_javadoccomment"> * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"</em>
<a class="jxr_linenumber" name="27" href="#27">27</a>  <em class="jxr_javadoccomment"> * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED</em>
<a class="jxr_linenumber" name="28" href="#28">28</a>  <em class="jxr_javadoccomment"> * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.</em>
<a class="jxr_linenumber" name="29" href="#29">29</a>  <em class="jxr_javadoccomment"> * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,</em>
<a class="jxr_linenumber" name="30" href="#30">30</a>  <em class="jxr_javadoccomment"> * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,</em>
<a class="jxr_linenumber" name="31" href="#31">31</a>  <em class="jxr_javadoccomment"> * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,</em>
<a class="jxr_linenumber" name="32" href="#32">32</a>  <em class="jxr_javadoccomment"> * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,</em>
<a class="jxr_linenumber" name="33" href="#33">33</a>  <em class="jxr_javadoccomment"> * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING</em>
<a class="jxr_linenumber" name="34" href="#34">34</a>  <em class="jxr_javadoccomment"> * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</em>
<a class="jxr_linenumber" name="35" href="#35">35</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="36" href="#36">36</a>  <em class="jxr_javadoccomment"> * Developers: Andrei Pozolotin;</em>
<a class="jxr_linenumber" name="37" href="#37">37</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="38" href="#38">38</a>  <em class="jxr_javadoccomment"> * =================================================================================</em>
<a class="jxr_linenumber" name="39" href="#39">39</a>  <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="40" href="#40">40</a>  <strong class="jxr_keyword">package</strong> com.barchart.udt.nio;
<a class="jxr_linenumber" name="41" href="#41">41</a>  
<a class="jxr_linenumber" name="42" href="#42">42</a>  <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> com.barchart.udt.SocketUDT.*;
<a class="jxr_linenumber" name="43" href="#43">43</a>  <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> java.nio.channels.SelectionKey.*;
<a class="jxr_linenumber" name="44" href="#44">44</a>  
<a class="jxr_linenumber" name="45" href="#45">45</a>  <strong class="jxr_keyword">import</strong> java.io.IOException;
<a class="jxr_linenumber" name="46" href="#46">46</a>  <strong class="jxr_keyword">import</strong> java.net.InetSocketAddress;
<a class="jxr_linenumber" name="47" href="#47">47</a>  <strong class="jxr_keyword">import</strong> java.nio.IntBuffer;
<a class="jxr_linenumber" name="48" href="#48">48</a>  <strong class="jxr_keyword">import</strong> java.nio.channels.ClosedSelectorException;
<a class="jxr_linenumber" name="49" href="#49">49</a>  <strong class="jxr_keyword">import</strong> java.nio.channels.IllegalSelectorException;
<a class="jxr_linenumber" name="50" href="#50">50</a>  <strong class="jxr_keyword">import</strong> java.nio.channels.SelectionKey;
<a class="jxr_linenumber" name="51" href="#51">51</a>  <strong class="jxr_keyword">import</strong> java.nio.channels.Selector;
<a class="jxr_linenumber" name="52" href="#52">52</a>  <strong class="jxr_keyword">import</strong> java.nio.channels.spi.AbstractSelectableChannel;
<a class="jxr_linenumber" name="53" href="#53">53</a>  <strong class="jxr_keyword">import</strong> java.nio.channels.spi.AbstractSelector;
<a class="jxr_linenumber" name="54" href="#54">54</a>  <strong class="jxr_keyword">import</strong> java.nio.channels.spi.SelectorProvider;
<a class="jxr_linenumber" name="55" href="#55">55</a>  <strong class="jxr_keyword">import</strong> java.util.Collections;
<a class="jxr_linenumber" name="56" href="#56">56</a>  <strong class="jxr_keyword">import</strong> java.util.HashMap;
<a class="jxr_linenumber" name="57" href="#57">57</a>  <strong class="jxr_keyword">import</strong> java.util.HashSet;
<a class="jxr_linenumber" name="58" href="#58">58</a>  <strong class="jxr_keyword">import</strong> java.util.Map;
<a class="jxr_linenumber" name="59" href="#59">59</a>  <strong class="jxr_keyword">import</strong> java.util.Queue;
<a class="jxr_linenumber" name="60" href="#60">60</a>  <strong class="jxr_keyword">import</strong> java.util.Set;
<a class="jxr_linenumber" name="61" href="#61">61</a>  
<a class="jxr_linenumber" name="62" href="#62">62</a>  <strong class="jxr_keyword">import</strong> org.slf4j.Logger;
<a class="jxr_linenumber" name="63" href="#63">63</a>  <strong class="jxr_keyword">import</strong> org.slf4j.LoggerFactory;
<a class="jxr_linenumber" name="64" href="#64">64</a>  
<a class="jxr_linenumber" name="65" href="#65">65</a>  <strong class="jxr_keyword">import</strong> com.barchart.udt.ExceptionUDT;
<a class="jxr_linenumber" name="66" href="#66">66</a>  <strong class="jxr_keyword">import</strong> com.barchart.udt.SocketUDT;
<a class="jxr_linenumber" name="67" href="#67">67</a>  <strong class="jxr_keyword">import</strong> com.barchart.udt.TypeUDT;
<a class="jxr_linenumber" name="68" href="#68">68</a>  
<a class="jxr_linenumber" name="69" href="#69">69</a>  <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="70" href="#70">70</a>  <em class="jxr_javadoccomment"> * you must use {@link SelectorProviderUDT#openSelector()} to obtain instance of</em>
<a class="jxr_linenumber" name="71" href="#71">71</a>  <em class="jxr_javadoccomment"> * this class; do not use JDK {@link java.nio.channels.Selector#open()}</em>
<a class="jxr_linenumber" name="72" href="#72">72</a>  <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="73" href="#73">73</a>  <em class="jxr_comment">// NOTE: 'final' is used with hopes to force JVM function inlining</em>
<a class="jxr_linenumber" name="74" href="#74">74</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../com/barchart/udt/nio/SelectorUDT.html">SelectorUDT</a> <strong class="jxr_keyword">extends</strong> AbstractSelector {
<a class="jxr_linenumber" name="75" href="#75">75</a>  
<a class="jxr_linenumber" name="76" href="#76">76</a>  	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Logger log = LoggerFactory
<a class="jxr_linenumber" name="77" href="#77">77</a>  			.getLogger(SelectorUDT.<strong class="jxr_keyword">class</strong>);
<a class="jxr_linenumber" name="78" href="#78">78</a>  
<a class="jxr_linenumber" name="79" href="#79">79</a>  	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="80" href="#80">80</a>  <em class="jxr_javadoccomment">	 * use this call to instantiate a selector for UDT</em>
<a class="jxr_linenumber" name="81" href="#81">81</a>  <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="82" href="#82">82</a>  	<strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">static</strong> Selector open(<a href="../../../../com/barchart/udt/TypeUDT.html">TypeUDT</a> type) <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="83" href="#83">83</a>  		<strong class="jxr_keyword">final</strong> <a href="../../../../com/barchart/udt/nio/SelectorProviderUDT.html">SelectorProviderUDT</a> provider;
<a class="jxr_linenumber" name="84" href="#84">84</a>  		<strong class="jxr_keyword">switch</strong> (type) {
<a class="jxr_linenumber" name="85" href="#85">85</a>  		<strong class="jxr_keyword">case</strong> DATAGRAM:
<a class="jxr_linenumber" name="86" href="#86">86</a>  			provider = SelectorProviderUDT.DATAGRAM;
<a class="jxr_linenumber" name="87" href="#87">87</a>  			<strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="88" href="#88">88</a>  		<strong class="jxr_keyword">case</strong> STREAM:
<a class="jxr_linenumber" name="89" href="#89">89</a>  			provider = SelectorProviderUDT.STREAM;
<a class="jxr_linenumber" name="90" href="#90">90</a>  			<strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="91" href="#91">91</a>  		<strong class="jxr_keyword">default</strong>:
<a class="jxr_linenumber" name="92" href="#92">92</a>  			log.error(<span class="jxr_string">"unsupported type={}"</span>, type);
<a class="jxr_linenumber" name="93" href="#93">93</a>  			<strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"unsupported type"</span>);
<a class="jxr_linenumber" name="94" href="#94">94</a>  		}
<a class="jxr_linenumber" name="95" href="#95">95</a>  		<strong class="jxr_keyword">return</strong> provider.openSelector();
<a class="jxr_linenumber" name="96" href="#96">96</a>  	}
<a class="jxr_linenumber" name="97" href="#97">97</a>  
<a class="jxr_linenumber" name="98" href="#98">98</a>  	<em class="jxr_comment">//</em>
<a class="jxr_linenumber" name="99" href="#99">99</a>  
<a class="jxr_linenumber" name="100" href="#100">100</a> 	@Override
<a class="jxr_linenumber" name="101" href="#101">101</a> 	<strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> implCloseSelector() <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="102" href="#102">102</a> 		wakeup();
<a class="jxr_linenumber" name="103" href="#103">103</a> 		<strong class="jxr_keyword">synchronized</strong> (<strong class="jxr_keyword">this</strong>) {
<a class="jxr_linenumber" name="104" href="#104">104</a> 			<strong class="jxr_keyword">synchronized</strong> (publicRegisteredKeySet) {
<a class="jxr_linenumber" name="105" href="#105">105</a> 				<strong class="jxr_keyword">synchronized</strong> (publicSelectedKeySet) {
<a class="jxr_linenumber" name="106" href="#106">106</a> 
<a class="jxr_linenumber" name="107" href="#107">107</a> 					selectedKeySet.clear();
<a class="jxr_linenumber" name="108" href="#108">108</a> 
<a class="jxr_linenumber" name="109" href="#109">109</a> 					<strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">final</strong> SelectionKey key : registeredKeySet) {
<a class="jxr_linenumber" name="110" href="#110">110</a> 						<strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="111" href="#111">111</a> 							key.channel().close();
<a class="jxr_linenumber" name="112" href="#112">112</a> 						} <strong class="jxr_keyword">catch</strong> (Throwable e) {
<a class="jxr_linenumber" name="113" href="#113">113</a> 							log.error(<span class="jxr_string">"unexpected"</span>, e);
<a class="jxr_linenumber" name="114" href="#114">114</a> 						}
<a class="jxr_linenumber" name="115" href="#115">115</a> 					}
<a class="jxr_linenumber" name="116" href="#116">116</a> 
<a class="jxr_linenumber" name="117" href="#117">117</a> 					registeredKeySet.clear();
<a class="jxr_linenumber" name="118" href="#118">118</a> 
<a class="jxr_linenumber" name="119" href="#119">119</a> 				}
<a class="jxr_linenumber" name="120" href="#120">120</a> 			}
<a class="jxr_linenumber" name="121" href="#121">121</a> 		}
<a class="jxr_linenumber" name="122" href="#122">122</a> 	}
<a class="jxr_linenumber" name="123" href="#123">123</a> 
<a class="jxr_linenumber" name="124" href="#124">124</a> 	<em class="jxr_comment">// NOE: register() and select() are blocking each other</em>
<a class="jxr_linenumber" name="125" href="#125">125</a> 	@Override
<a class="jxr_linenumber" name="126" href="#126">126</a> 	<strong class="jxr_keyword">protected</strong> SelectionKey register(AbstractSelectableChannel channel,
<a class="jxr_linenumber" name="127" href="#127">127</a> 			<strong class="jxr_keyword">int</strong> interestOps, Object attachment) {
<a class="jxr_linenumber" name="128" href="#128">128</a> 
<a class="jxr_linenumber" name="129" href="#129">129</a> 		<strong class="jxr_keyword">if</strong> (!(channel instanceof ChannelUDT)) {
<a class="jxr_linenumber" name="130" href="#130">130</a> 			<em class="jxr_comment">// also takes care of null</em>
<a class="jxr_linenumber" name="131" href="#131">131</a> 			log.error(<span class="jxr_string">"!(channel instanceof ChannelUDT)"</span>);
<a class="jxr_linenumber" name="132" href="#132">132</a> 			<strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalSelectorException();
<a class="jxr_linenumber" name="133" href="#133">133</a> 		}
<a class="jxr_linenumber" name="134" href="#134">134</a> 
<a class="jxr_linenumber" name="135" href="#135">135</a> 		<strong class="jxr_keyword">synchronized</strong> (publicRegisteredKeySet) {
<a class="jxr_linenumber" name="136" href="#136">136</a> 
<a class="jxr_linenumber" name="137" href="#137">137</a> 			<strong class="jxr_keyword">if</strong> (publicRegisteredKeySet.size() == maximimSelectorSize) {
<a class="jxr_linenumber" name="138" href="#138">138</a> 				log.error(<span class="jxr_string">"reached maximimSelectorSize)"</span>);
<a class="jxr_linenumber" name="139" href="#139">139</a> 				<strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalSelectorException();
<a class="jxr_linenumber" name="140" href="#140">140</a> 			}
<a class="jxr_linenumber" name="141" href="#141">141</a> 
<a class="jxr_linenumber" name="142" href="#142">142</a> 			ChannelUDT channelUDT = (ChannelUDT) channel;
<a class="jxr_linenumber" name="143" href="#143">143</a> 
<a class="jxr_linenumber" name="144" href="#144">144</a> 			SocketUDT socketUDT = channelUDT.getSocketUDT();
<a class="jxr_linenumber" name="145" href="#145">145</a> 
<a class="jxr_linenumber" name="146" href="#146">146</a> 			SelectionKeyUDT keyUDT = <strong class="jxr_keyword">new</strong> <a href="../../../../com/barchart/udt/nio/SelectionKeyUDT.html">SelectionKeyUDT</a>(<em class="jxr_comment">//</em>
<a class="jxr_linenumber" name="147" href="#147">147</a> 					<strong class="jxr_keyword">this</strong>, channelUDT, attachment, interestOps);
<a class="jxr_linenumber" name="148" href="#148">148</a> 
<a class="jxr_linenumber" name="149" href="#149">149</a> 			<em class="jxr_comment">// XXX the only place with "add/put"</em>
<a class="jxr_linenumber" name="150" href="#150">150</a> 			registeredKeyMap.put(socketUDT.getSocketId(), keyUDT);
<a class="jxr_linenumber" name="151" href="#151">151</a> 			registeredKeySet.add(keyUDT);
<a class="jxr_linenumber" name="152" href="#152">152</a> 
<a class="jxr_linenumber" name="153" href="#153">153</a> 			<strong class="jxr_keyword">return</strong> keyUDT;
<a class="jxr_linenumber" name="154" href="#154">154</a> 
<a class="jxr_linenumber" name="155" href="#155">155</a> 		}
<a class="jxr_linenumber" name="156" href="#156">156</a> 
<a class="jxr_linenumber" name="157" href="#157">157</a> 	}
<a class="jxr_linenumber" name="158" href="#158">158</a> 
<a class="jxr_linenumber" name="159" href="#159">159</a> 	@SuppressWarnings(<span class="jxr_string">"unchecked"</span>)
<a class="jxr_linenumber" name="160" href="#160">160</a> 	@Override
<a class="jxr_linenumber" name="161" href="#161">161</a> 	<strong class="jxr_keyword">public</strong> Set&lt;SelectionKey&gt; keys() {
<a class="jxr_linenumber" name="162" href="#162">162</a> 		<strong class="jxr_keyword">if</strong> (!isOpen()) {
<a class="jxr_linenumber" name="163" href="#163">163</a> 			<strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> ClosedSelectorException();
<a class="jxr_linenumber" name="164" href="#164">164</a> 		}
<a class="jxr_linenumber" name="165" href="#165">165</a> 		<strong class="jxr_keyword">return</strong> (Set&lt;SelectionKey&gt;) publicRegisteredKeySet;
<a class="jxr_linenumber" name="166" href="#166">166</a> 	}
<a class="jxr_linenumber" name="167" href="#167">167</a> 
<a class="jxr_linenumber" name="168" href="#168">168</a> 	@SuppressWarnings(<span class="jxr_string">"unchecked"</span>)
<a class="jxr_linenumber" name="169" href="#169">169</a> 	@Override
<a class="jxr_linenumber" name="170" href="#170">170</a> 	<strong class="jxr_keyword">public</strong> Set&lt;SelectionKey&gt; selectedKeys() {
<a class="jxr_linenumber" name="171" href="#171">171</a> 		<strong class="jxr_keyword">if</strong> (!isOpen()) {
<a class="jxr_linenumber" name="172" href="#172">172</a> 			<strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> ClosedSelectorException();
<a class="jxr_linenumber" name="173" href="#173">173</a> 		}
<a class="jxr_linenumber" name="174" href="#174">174</a> 		<strong class="jxr_keyword">return</strong> (Set&lt;SelectionKey&gt;) publicSelectedKeySet;
<a class="jxr_linenumber" name="175" href="#175">175</a> 	}
<a class="jxr_linenumber" name="176" href="#176">176</a> 
<a class="jxr_linenumber" name="177" href="#177">177</a> 	@Override
<a class="jxr_linenumber" name="178" href="#178">178</a> 	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> select() <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="179" href="#179">179</a> 		<strong class="jxr_keyword">return</strong> select(0);
<a class="jxr_linenumber" name="180" href="#180">180</a> 	}
<a class="jxr_linenumber" name="181" href="#181">181</a> 
<a class="jxr_linenumber" name="182" href="#182">182</a> 	@Override
<a class="jxr_linenumber" name="183" href="#183">183</a> 	<em class="jxr_comment">// per java.nio.Selector contract 0 input means infinite</em>
<a class="jxr_linenumber" name="184" href="#184">184</a> 	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> select(<strong class="jxr_keyword">long</strong> timeout) <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="185" href="#185">185</a> 		<strong class="jxr_keyword">if</strong> (timeout &lt; 0) {
<a class="jxr_linenumber" name="186" href="#186">186</a> 			<strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(<span class="jxr_string">"Negative timeout"</span>);
<a class="jxr_linenumber" name="187" href="#187">187</a> 		}
<a class="jxr_linenumber" name="188" href="#188">188</a> 		<strong class="jxr_keyword">long</strong> timeoutUDT = (timeout == 0) ? UDT_TIMEOUT_INFINITE : timeout;
<a class="jxr_linenumber" name="189" href="#189">189</a> 		<strong class="jxr_keyword">return</strong> doSelectInsideLock(timeoutUDT);
<a class="jxr_linenumber" name="190" href="#190">190</a> 	}
<a class="jxr_linenumber" name="191" href="#191">191</a> 
<a class="jxr_linenumber" name="192" href="#192">192</a> 	@Override
<a class="jxr_linenumber" name="193" href="#193">193</a> 	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> selectNow() <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="194" href="#194">194</a> 		<strong class="jxr_keyword">return</strong> doSelectInsideLock(UDT_TIMEOUT_NONE);
<a class="jxr_linenumber" name="195" href="#195">195</a> 	}
<a class="jxr_linenumber" name="196" href="#196">196</a> 
<a class="jxr_linenumber" name="197" href="#197">197</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="198" href="#198">198</a> <em class="jxr_javadoccomment">	 * Wakeup the selector. NOTE: it is recommended to user timed</em>
<a class="jxr_linenumber" name="199" href="#199">199</a> <em class="jxr_javadoccomment">	 * {@link #select(long)} (say, timeout = 100 milliseconds) to avoid missed</em>
<a class="jxr_linenumber" name="200" href="#200">200</a> <em class="jxr_javadoccomment">	 * {@link #wakeup()} calls which are rare but possible in current</em>
<a class="jxr_linenumber" name="201" href="#201">201</a> <em class="jxr_javadoccomment">	 * implementation (accepted in favor of design simplicity / performance)</em>
<a class="jxr_linenumber" name="202" href="#202">202</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="203" href="#203">203</a> 	@Override
<a class="jxr_linenumber" name="204" href="#204">204</a> 	<strong class="jxr_keyword">public</strong> Selector wakeup() {
<a class="jxr_linenumber" name="205" href="#205">205</a> 		<em class="jxr_comment">// publisher for volatile</em>
<a class="jxr_linenumber" name="206" href="#206">206</a> 		wakeupStepCount++;
<a class="jxr_linenumber" name="207" href="#207">207</a> 		<strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>;
<a class="jxr_linenumber" name="208" href="#208">208</a> 	}
<a class="jxr_linenumber" name="209" href="#209">209</a> 
<a class="jxr_linenumber" name="210" href="#210">210</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">volatile</strong> <strong class="jxr_keyword">int</strong> wakeupStepCount;
<a class="jxr_linenumber" name="211" href="#211">211</a> 
<a class="jxr_linenumber" name="212" href="#212">212</a> 	<em class="jxr_comment">// guarded by doSelectInsideLock</em>
<a class="jxr_linenumber" name="213" href="#213">213</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> wakeupBaseCount;
<a class="jxr_linenumber" name="214" href="#214">214</a> 
<a class="jxr_linenumber" name="215" href="#215">215</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">void</strong> saveWakeupBase() {
<a class="jxr_linenumber" name="216" href="#216">216</a> 		wakeupBaseCount = wakeupStepCount;
<a class="jxr_linenumber" name="217" href="#217">217</a> 	}
<a class="jxr_linenumber" name="218" href="#218">218</a> 
<a class="jxr_linenumber" name="219" href="#219">219</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> isWakeupPending() {
<a class="jxr_linenumber" name="220" href="#220">220</a> 		<strong class="jxr_keyword">return</strong> wakeupBaseCount != wakeupStepCount;
<a class="jxr_linenumber" name="221" href="#221">221</a> 	}
<a class="jxr_linenumber" name="222" href="#222">222</a> 
<a class="jxr_linenumber" name="223" href="#223">223</a> 	<em class="jxr_comment">// #######################################################################</em>
<a class="jxr_linenumber" name="224" href="#224">224</a> 
<a class="jxr_linenumber" name="225" href="#225">225</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="226" href="#226">226</a> <em class="jxr_javadoccomment">	 * Private views of the key sets</em>
<a class="jxr_linenumber" name="227" href="#227">227</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="228" href="#228">228</a> 
<a class="jxr_linenumber" name="229" href="#229">229</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="230" href="#230">230</a> <em class="jxr_javadoccomment">	 * The set of keys with data ready for an operation</em>
<a class="jxr_linenumber" name="231" href="#231">231</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="232" href="#232">232</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Set&lt;SelectionKeyUDT&gt; selectedKeySet;
<a class="jxr_linenumber" name="233" href="#233">233</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="234" href="#234">234</a> <em class="jxr_javadoccomment">	 * The set of keys registered with this Selector</em>
<a class="jxr_linenumber" name="235" href="#235">235</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="236" href="#236">236</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Set&lt;SelectionKeyUDT&gt; registeredKeySet;
<a class="jxr_linenumber" name="237" href="#237">237</a> 
<a class="jxr_linenumber" name="238" href="#238">238</a> 	<em class="jxr_comment">// Public views of the key sets</em>
<a class="jxr_linenumber" name="239" href="#239">239</a> 
<a class="jxr_linenumber" name="240" href="#240">240</a> 	<em class="jxr_comment">// totally immutable</em>
<a class="jxr_linenumber" name="241" href="#241">241</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Set&lt;? <strong class="jxr_keyword">extends</strong> SelectionKey&gt; publicRegisteredKeySet;
<a class="jxr_linenumber" name="242" href="#242">242</a> 	<em class="jxr_comment">// partially immutable: removal allowed, but not addition</em>
<a class="jxr_linenumber" name="243" href="#243">243</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Set&lt;? <strong class="jxr_keyword">extends</strong> SelectionKey&gt; publicSelectedKeySet;
<a class="jxr_linenumber" name="244" href="#244">244</a> 	<em class="jxr_comment">// mutable: requests for cancel</em>
<a class="jxr_linenumber" name="245" href="#245">245</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Set&lt;SelectionKey&gt; cancelledKeySet;
<a class="jxr_linenumber" name="246" href="#246">246</a> 
<a class="jxr_linenumber" name="247" href="#247">247</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Map&lt;Integer, SelectionKeyUDT&gt; registeredKeyMap;
<a class="jxr_linenumber" name="248" href="#248">248</a> 
<a class="jxr_linenumber" name="249" href="#249">249</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="250" href="#250">250</a> <em class="jxr_javadoccomment">	 * used by SocketUDT.select(); performance optimization: use final arrays</em>
<a class="jxr_linenumber" name="251" href="#251">251</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="252" href="#252">252</a> 	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> maximimSelectorSize;
<a class="jxr_linenumber" name="253" href="#253">253</a> 	<em class="jxr_comment">//</em>
<a class="jxr_linenumber" name="254" href="#254">254</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong>[] readArray;
<a class="jxr_linenumber" name="255" href="#255">255</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong>[] writeArray;
<a class="jxr_linenumber" name="256" href="#256">256</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong>[] exceptArray;
<a class="jxr_linenumber" name="257" href="#257">257</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong>[] sizeArray;
<a class="jxr_linenumber" name="258" href="#258">258</a> 	<em class="jxr_comment">//</em>
<a class="jxr_linenumber" name="259" href="#259">259</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> IntBuffer readBuffer;
<a class="jxr_linenumber" name="260" href="#260">260</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> IntBuffer writeBuffer;
<a class="jxr_linenumber" name="261" href="#261">261</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> IntBuffer exceptBuffer;
<a class="jxr_linenumber" name="262" href="#262">262</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> IntBuffer sizeBuffer;
<a class="jxr_linenumber" name="263" href="#263">263</a> 
<a class="jxr_linenumber" name="264" href="#264">264</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="265" href="#265">265</a> <em class="jxr_javadoccomment">	 * connector thread pool limit</em>
<a class="jxr_linenumber" name="266" href="#266">266</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="267" href="#267">267</a> 	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> maximumConnectorSize;
<a class="jxr_linenumber" name="268" href="#268">268</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../com/barchart/udt/nio/ConnectorThreadPoolUDT.html">ConnectorThreadPoolUDT</a> connectorPool;
<a class="jxr_linenumber" name="269" href="#269">269</a> 
<a class="jxr_linenumber" name="270" href="#270">270</a> 	SelectorUDT(SelectorProvider provider, <em class="jxr_comment">//</em>
<a class="jxr_linenumber" name="271" href="#271">271</a> 			<strong class="jxr_keyword">int</strong> maximumSelectorSize, <strong class="jxr_keyword">int</strong> maximumConnectorSize) {
<a class="jxr_linenumber" name="272" href="#272">272</a> 
<a class="jxr_linenumber" name="273" href="#273">273</a> 		<strong class="jxr_keyword">super</strong>(provider);
<a class="jxr_linenumber" name="274" href="#274">274</a> 
<a class="jxr_linenumber" name="275" href="#275">275</a> 		registeredKeyMap = <strong class="jxr_keyword">new</strong> HashMap&lt;Integer, SelectionKeyUDT&gt;();
<a class="jxr_linenumber" name="276" href="#276">276</a> 
<a class="jxr_linenumber" name="277" href="#277">277</a> 		registeredKeySet = <strong class="jxr_keyword">new</strong> HashSet&lt;SelectionKeyUDT&gt;();
<a class="jxr_linenumber" name="278" href="#278">278</a> 		selectedKeySet = <strong class="jxr_keyword">new</strong> HashSet&lt;SelectionKeyUDT&gt;();
<a class="jxr_linenumber" name="279" href="#279">279</a> 		cancelledKeySet = cancelledKeys();
<a class="jxr_linenumber" name="280" href="#280">280</a> 
<a class="jxr_linenumber" name="281" href="#281">281</a> 		publicRegisteredKeySet = Collections.unmodifiableSet(registeredKeySet);
<a class="jxr_linenumber" name="282" href="#282">282</a> 		publicSelectedKeySet = HelperNIOUDT.ungrowableSet(selectedKeySet);
<a class="jxr_linenumber" name="283" href="#283">283</a> 
<a class="jxr_linenumber" name="284" href="#284">284</a> 		<strong class="jxr_keyword">this</strong>.maximimSelectorSize = maximumSelectorSize;
<a class="jxr_linenumber" name="285" href="#285">285</a> 		<strong class="jxr_keyword">if</strong> (isBufferBased) {
<a class="jxr_linenumber" name="286" href="#286">286</a> 			readBuffer = SocketUDT.newDirectIntBufer(maximumSelectorSize);
<a class="jxr_linenumber" name="287" href="#287">287</a> 			writeBuffer = SocketUDT.newDirectIntBufer(maximumSelectorSize);
<a class="jxr_linenumber" name="288" href="#288">288</a> 			exceptBuffer = SocketUDT.newDirectIntBufer(maximumSelectorSize);
<a class="jxr_linenumber" name="289" href="#289">289</a> 			sizeBuffer = SocketUDT.newDirectIntBufer(UDT_SIZE_COUNT);
<a class="jxr_linenumber" name="290" href="#290">290</a> 			readArray = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="291" href="#291">291</a> 			writeArray = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="292" href="#292">292</a> 			exceptArray = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="293" href="#293">293</a> 			sizeArray = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="294" href="#294">294</a> 		} <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="295" href="#295">295</a> 			readBuffer = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="296" href="#296">296</a> 			writeBuffer = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="297" href="#297">297</a> 			exceptBuffer = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="298" href="#298">298</a> 			sizeBuffer = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="299" href="#299">299</a> 			readArray = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">int</strong>[maximumSelectorSize];
<a class="jxr_linenumber" name="300" href="#300">300</a> 			writeArray = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">int</strong>[maximumSelectorSize];
<a class="jxr_linenumber" name="301" href="#301">301</a> 			exceptArray = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">int</strong>[maximumSelectorSize];
<a class="jxr_linenumber" name="302" href="#302">302</a> 			sizeArray = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">int</strong>[UDT_SIZE_COUNT];
<a class="jxr_linenumber" name="303" href="#303">303</a> 		}
<a class="jxr_linenumber" name="304" href="#304">304</a> 
<a class="jxr_linenumber" name="305" href="#305">305</a> 		<strong class="jxr_keyword">this</strong>.maximumConnectorSize = maximumConnectorSize;
<a class="jxr_linenumber" name="306" href="#306">306</a> 		connectorPool = <strong class="jxr_keyword">new</strong> <a href="../../../../com/barchart/udt/nio/ConnectorThreadPoolUDT.html">ConnectorThreadPoolUDT</a>(maximumConnectorSize);
<a class="jxr_linenumber" name="307" href="#307">307</a> 
<a class="jxr_linenumber" name="308" href="#308">308</a> 	}
<a class="jxr_linenumber" name="309" href="#309">309</a> 
<a class="jxr_linenumber" name="310" href="#310">310</a> 	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> UDT_TIMEOUT_INFINITE = -1;
<a class="jxr_linenumber" name="311" href="#311">311</a> 
<a class="jxr_linenumber" name="312" href="#312">312</a> 	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> UDT_TIMEOUT_NONE = 0;
<a class="jxr_linenumber" name="313" href="#313">313</a> 
<a class="jxr_linenumber" name="314" href="#314">314</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> doSelectInsideLock(<strong class="jxr_keyword">long</strong> millisTimeout) <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="315" href="#315">315</a> 		<strong class="jxr_keyword">if</strong> (!isOpen()) {
<a class="jxr_linenumber" name="316" href="#316">316</a> 			<strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> ClosedSelectorException();
<a class="jxr_linenumber" name="317" href="#317">317</a> 		}
<a class="jxr_linenumber" name="318" href="#318">318</a> 		<strong class="jxr_keyword">synchronized</strong> (<strong class="jxr_keyword">this</strong>) {
<a class="jxr_linenumber" name="319" href="#319">319</a> 			<strong class="jxr_keyword">synchronized</strong> (publicRegisteredKeySet) {
<a class="jxr_linenumber" name="320" href="#320">320</a> 				<strong class="jxr_keyword">synchronized</strong> (publicSelectedKeySet) {
<a class="jxr_linenumber" name="321" href="#321">321</a> 					<strong class="jxr_keyword">return</strong> doSelectReally(millisTimeout);
<a class="jxr_linenumber" name="322" href="#322">322</a> 				}
<a class="jxr_linenumber" name="323" href="#323">323</a> 			}
<a class="jxr_linenumber" name="324" href="#324">324</a> 		}
<a class="jxr_linenumber" name="325" href="#325">325</a> 	}
<a class="jxr_linenumber" name="326" href="#326">326</a> 
<a class="jxr_linenumber" name="327" href="#327">327</a> 	<em class="jxr_comment">//</em>
<a class="jxr_linenumber" name="328" href="#328">328</a> 
<a class="jxr_linenumber" name="329" href="#329">329</a> 	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String KEY_IS_ARRAY_BASED = <em class="jxr_comment">//</em>
<a class="jxr_linenumber" name="330" href="#330">330</a> 	SelectorUDT.<strong class="jxr_keyword">class</strong>.getName() + <span class="jxr_string">".isArrayBased"</span>;
<a class="jxr_linenumber" name="331" href="#331">331</a> 
<a class="jxr_linenumber" name="332" href="#332">332</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> isBufferBased;
<a class="jxr_linenumber" name="333" href="#333">333</a> 
<a class="jxr_linenumber" name="334" href="#334">334</a> 	<strong class="jxr_keyword">static</strong> {
<a class="jxr_linenumber" name="335" href="#335">335</a> 		String isArrayBased = System.getProperty(KEY_IS_ARRAY_BASED);
<a class="jxr_linenumber" name="336" href="#336">336</a> 		<strong class="jxr_keyword">if</strong> (isArrayBased == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="337" href="#337">337</a> 			isBufferBased = <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="338" href="#338">338</a> 		} <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="339" href="#339">339</a> 			isBufferBased = false;
<a class="jxr_linenumber" name="340" href="#340">340</a> 		}
<a class="jxr_linenumber" name="341" href="#341">341</a> 		log.debug(<span class="jxr_string">"isBufferBased={}"</span>, isBufferBased);
<a class="jxr_linenumber" name="342" href="#342">342</a> 	}
<a class="jxr_linenumber" name="343" href="#343">343</a> 
<a class="jxr_linenumber" name="344" href="#344">344</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">void</strong> setReadInterest(<strong class="jxr_keyword">int</strong> index, <strong class="jxr_keyword">int</strong> socketID) {
<a class="jxr_linenumber" name="345" href="#345">345</a> 		<strong class="jxr_keyword">if</strong> (isBufferBased) {
<a class="jxr_linenumber" name="346" href="#346">346</a> 			readBuffer.put(index, socketID);
<a class="jxr_linenumber" name="347" href="#347">347</a> 		} <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="348" href="#348">348</a> 			readArray[index] = socketID;
<a class="jxr_linenumber" name="349" href="#349">349</a> 		}
<a class="jxr_linenumber" name="350" href="#350">350</a> 	}
<a class="jxr_linenumber" name="351" href="#351">351</a> 
<a class="jxr_linenumber" name="352" href="#352">352</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> getReadInterest(<strong class="jxr_keyword">int</strong> index) {
<a class="jxr_linenumber" name="353" href="#353">353</a> 		<strong class="jxr_keyword">if</strong> (isBufferBased) {
<a class="jxr_linenumber" name="354" href="#354">354</a> 			<strong class="jxr_keyword">return</strong> readBuffer.get(index);
<a class="jxr_linenumber" name="355" href="#355">355</a> 		} <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="356" href="#356">356</a> 			<strong class="jxr_keyword">return</strong> readArray[index];
<a class="jxr_linenumber" name="357" href="#357">357</a> 		}
<a class="jxr_linenumber" name="358" href="#358">358</a> 	}
<a class="jxr_linenumber" name="359" href="#359">359</a> 
<a class="jxr_linenumber" name="360" href="#360">360</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">void</strong> setWriteInterest(<strong class="jxr_keyword">int</strong> index, <strong class="jxr_keyword">int</strong> socketID) {
<a class="jxr_linenumber" name="361" href="#361">361</a> 		<strong class="jxr_keyword">if</strong> (isBufferBased) {
<a class="jxr_linenumber" name="362" href="#362">362</a> 			writeBuffer.put(index, socketID);
<a class="jxr_linenumber" name="363" href="#363">363</a> 		} <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="364" href="#364">364</a> 			writeArray[index] = socketID;
<a class="jxr_linenumber" name="365" href="#365">365</a> 		}
<a class="jxr_linenumber" name="366" href="#366">366</a> 	}
<a class="jxr_linenumber" name="367" href="#367">367</a> 
<a class="jxr_linenumber" name="368" href="#368">368</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> getWriteInterest(<strong class="jxr_keyword">int</strong> index) {
<a class="jxr_linenumber" name="369" href="#369">369</a> 		<strong class="jxr_keyword">if</strong> (isBufferBased) {
<a class="jxr_linenumber" name="370" href="#370">370</a> 			<strong class="jxr_keyword">return</strong> writeBuffer.get(index);
<a class="jxr_linenumber" name="371" href="#371">371</a> 		} <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="372" href="#372">372</a> 			<strong class="jxr_keyword">return</strong> writeArray[index];
<a class="jxr_linenumber" name="373" href="#373">373</a> 		}
<a class="jxr_linenumber" name="374" href="#374">374</a> 	}
<a class="jxr_linenumber" name="375" href="#375">375</a> 
<a class="jxr_linenumber" name="376" href="#376">376</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">void</strong> setExceptInterest(<strong class="jxr_keyword">int</strong> index, <strong class="jxr_keyword">int</strong> socketID) {
<a class="jxr_linenumber" name="377" href="#377">377</a> 		<strong class="jxr_keyword">if</strong> (isBufferBased) {
<a class="jxr_linenumber" name="378" href="#378">378</a> 			exceptBuffer.put(index, socketID);
<a class="jxr_linenumber" name="379" href="#379">379</a> 		} <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="380" href="#380">380</a> 			exceptArray[index] = socketID;
<a class="jxr_linenumber" name="381" href="#381">381</a> 		}
<a class="jxr_linenumber" name="382" href="#382">382</a> 	}
<a class="jxr_linenumber" name="383" href="#383">383</a> 
<a class="jxr_linenumber" name="384" href="#384">384</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> getExceptInterest(<strong class="jxr_keyword">int</strong> index) {
<a class="jxr_linenumber" name="385" href="#385">385</a> 		<strong class="jxr_keyword">if</strong> (isBufferBased) {
<a class="jxr_linenumber" name="386" href="#386">386</a> 			<strong class="jxr_keyword">return</strong> exceptBuffer.get(index);
<a class="jxr_linenumber" name="387" href="#387">387</a> 		} <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="388" href="#388">388</a> 			<strong class="jxr_keyword">return</strong> exceptArray[index];
<a class="jxr_linenumber" name="389" href="#389">389</a> 		}
<a class="jxr_linenumber" name="390" href="#390">390</a> 	}
<a class="jxr_linenumber" name="391" href="#391">391</a> 
<a class="jxr_linenumber" name="392" href="#392">392</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> doSelectSocketUDT(<strong class="jxr_keyword">long</strong> timeout) <strong class="jxr_keyword">throws</strong> ExceptionUDT {
<a class="jxr_linenumber" name="393" href="#393">393</a> 		<strong class="jxr_keyword">if</strong> (isBufferBased) {
<a class="jxr_linenumber" name="394" href="#394">394</a> 			<strong class="jxr_keyword">return</strong> SocketUDT.select(readBuffer, writeBuffer, exceptBuffer,
<a class="jxr_linenumber" name="395" href="#395">395</a> 					sizeBuffer, timeout);
<a class="jxr_linenumber" name="396" href="#396">396</a> 		} <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="397" href="#397">397</a> 			<strong class="jxr_keyword">return</strong> SocketUDT.select(readArray, writeArray, exceptArray,
<a class="jxr_linenumber" name="398" href="#398">398</a> 					sizeArray, timeout);
<a class="jxr_linenumber" name="399" href="#399">399</a> 		}
<a class="jxr_linenumber" name="400" href="#400">400</a> 	}
<a class="jxr_linenumber" name="401" href="#401">401</a> 
<a class="jxr_linenumber" name="402" href="#402">402</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">void</strong> setInterestSize(<strong class="jxr_keyword">int</strong> readSize, <strong class="jxr_keyword">int</strong> writeSize,
<a class="jxr_linenumber" name="403" href="#403">403</a> 			<strong class="jxr_keyword">int</strong> exceptSize) {
<a class="jxr_linenumber" name="404" href="#404">404</a> 		<strong class="jxr_keyword">if</strong> (isBufferBased) {
<a class="jxr_linenumber" name="405" href="#405">405</a> 			sizeBuffer.put(UDT_READ_INDEX, readSize);
<a class="jxr_linenumber" name="406" href="#406">406</a> 			sizeBuffer.put(UDT_WRITE_INDEX, writeSize);
<a class="jxr_linenumber" name="407" href="#407">407</a> 			sizeBuffer.put(UDT_EXCEPT_INDEX, exceptSize);
<a class="jxr_linenumber" name="408" href="#408">408</a> 		} <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="409" href="#409">409</a> 			sizeArray[UDT_READ_INDEX] = readSize;
<a class="jxr_linenumber" name="410" href="#410">410</a> 			sizeArray[UDT_WRITE_INDEX] = writeSize;
<a class="jxr_linenumber" name="411" href="#411">411</a> 			sizeArray[UDT_EXCEPT_INDEX] = exceptSize;
<a class="jxr_linenumber" name="412" href="#412">412</a> 		}
<a class="jxr_linenumber" name="413" href="#413">413</a> 	}
<a class="jxr_linenumber" name="414" href="#414">414</a> 
<a class="jxr_linenumber" name="415" href="#415">415</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> getReadInterestSize() {
<a class="jxr_linenumber" name="416" href="#416">416</a> 		<strong class="jxr_keyword">if</strong> (isBufferBased) {
<a class="jxr_linenumber" name="417" href="#417">417</a> 			<strong class="jxr_keyword">return</strong> sizeBuffer.get(UDT_READ_INDEX);
<a class="jxr_linenumber" name="418" href="#418">418</a> 		} <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="419" href="#419">419</a> 			<strong class="jxr_keyword">return</strong> sizeArray[UDT_READ_INDEX];
<a class="jxr_linenumber" name="420" href="#420">420</a> 		}
<a class="jxr_linenumber" name="421" href="#421">421</a> 	}
<a class="jxr_linenumber" name="422" href="#422">422</a> 
<a class="jxr_linenumber" name="423" href="#423">423</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> getWriteInterestSize() {
<a class="jxr_linenumber" name="424" href="#424">424</a> 		<strong class="jxr_keyword">if</strong> (isBufferBased) {
<a class="jxr_linenumber" name="425" href="#425">425</a> 			<strong class="jxr_keyword">return</strong> sizeBuffer.get(UDT_WRITE_INDEX);
<a class="jxr_linenumber" name="426" href="#426">426</a> 		} <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="427" href="#427">427</a> 			<strong class="jxr_keyword">return</strong> sizeArray[UDT_WRITE_INDEX];
<a class="jxr_linenumber" name="428" href="#428">428</a> 		}
<a class="jxr_linenumber" name="429" href="#429">429</a> 	}
<a class="jxr_linenumber" name="430" href="#430">430</a> 
<a class="jxr_linenumber" name="431" href="#431">431</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> getExceptInterestSize() {
<a class="jxr_linenumber" name="432" href="#432">432</a> 		<strong class="jxr_keyword">if</strong> (isBufferBased) {
<a class="jxr_linenumber" name="433" href="#433">433</a> 			<strong class="jxr_keyword">return</strong> sizeBuffer.get(UDT_EXCEPT_INDEX);
<a class="jxr_linenumber" name="434" href="#434">434</a> 		} <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="435" href="#435">435</a> 			<strong class="jxr_keyword">return</strong> sizeArray[UDT_EXCEPT_INDEX];
<a class="jxr_linenumber" name="436" href="#436">436</a> 		}
<a class="jxr_linenumber" name="437" href="#437">437</a> 	}
<a class="jxr_linenumber" name="438" href="#438">438</a> 
<a class="jxr_linenumber" name="439" href="#439">439</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">void</strong> prepareInterest() {
<a class="jxr_linenumber" name="440" href="#440">440</a> 
<a class="jxr_linenumber" name="441" href="#441">441</a> 		<strong class="jxr_keyword">int</strong> readSize = 0;
<a class="jxr_linenumber" name="442" href="#442">442</a> 		<strong class="jxr_keyword">int</strong> writeSize = 0;
<a class="jxr_linenumber" name="443" href="#443">443</a> 		<strong class="jxr_keyword">int</strong> exceptSize = 0;
<a class="jxr_linenumber" name="444" href="#444">444</a> 
<a class="jxr_linenumber" name="445" href="#445">445</a> 		<strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">final</strong> SelectionKeyUDT keyUDT : registeredKeySet) {
<a class="jxr_linenumber" name="446" href="#446">446</a> 
<a class="jxr_linenumber" name="447" href="#447">447</a> 			<strong class="jxr_keyword">final</strong> <a href="../../../../com/barchart/udt/nio/ChannelUDT.html">ChannelUDT</a> channelUDT = keyUDT.channelUDT;
<a class="jxr_linenumber" name="448" href="#448">448</a> 			keyUDT.readyOps = 0; <em class="jxr_comment">// publisher for volatile</em>
<a class="jxr_linenumber" name="449" href="#449">449</a> 
<a class="jxr_linenumber" name="450" href="#450">450</a> 			<strong class="jxr_keyword">if</strong> (channelUDT.isOpenSocketUDT()) {
<a class="jxr_linenumber" name="451" href="#451">451</a> 
<a class="jxr_linenumber" name="452" href="#452">452</a> 				<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> interestOps = keyUDT.interestOps;
<a class="jxr_linenumber" name="453" href="#453">453</a> 				<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> socketID = keyUDT.socketID;
<a class="jxr_linenumber" name="454" href="#454">454</a> 				<strong class="jxr_keyword">final</strong> <a href="../../../../com/barchart/udt/nio/KindUDT.html">KindUDT</a> channelType = channelUDT.getChannelKind();
<a class="jxr_linenumber" name="455" href="#455">455</a> 
<a class="jxr_linenumber" name="456" href="#456">456</a> 				<strong class="jxr_keyword">if</strong> ((interestOps &amp; (OP_ACCEPT)) != 0) {
<a class="jxr_linenumber" name="457" href="#457">457</a> 					assert channelType == KindUDT.ACCEPTOR;
<a class="jxr_linenumber" name="458" href="#458">458</a> 					setReadInterest(readSize, socketID);
<a class="jxr_linenumber" name="459" href="#459">459</a> 					readSize++;
<a class="jxr_linenumber" name="460" href="#460">460</a> 				}
<a class="jxr_linenumber" name="461" href="#461">461</a> 				<strong class="jxr_keyword">if</strong> ((interestOps &amp; (OP_READ)) != 0) {
<a class="jxr_linenumber" name="462" href="#462">462</a> 					assert channelType == KindUDT.CONNECTOR;
<a class="jxr_linenumber" name="463" href="#463">463</a> 					setReadInterest(readSize, socketID);
<a class="jxr_linenumber" name="464" href="#464">464</a> 					readSize++;
<a class="jxr_linenumber" name="465" href="#465">465</a> 				}
<a class="jxr_linenumber" name="466" href="#466">466</a> 				<strong class="jxr_keyword">if</strong> ((interestOps &amp; (OP_WRITE)) != 0) {
<a class="jxr_linenumber" name="467" href="#467">467</a> 					assert channelType == KindUDT.CONNECTOR;
<a class="jxr_linenumber" name="468" href="#468">468</a> 					setWriteInterest(writeSize, socketID);
<a class="jxr_linenumber" name="469" href="#469">469</a> 					writeSize++;
<a class="jxr_linenumber" name="470" href="#470">470</a> 				}
<a class="jxr_linenumber" name="471" href="#471">471</a> 				<strong class="jxr_keyword">if</strong> ((interestOps &amp; (OP_CONNECT)) != 0) {
<a class="jxr_linenumber" name="472" href="#472">472</a> 					assert channelType == KindUDT.CONNECTOR;
<a class="jxr_linenumber" name="473" href="#473">473</a> 					assert (interestOps &amp; (OP_READ | OP_WRITE | OP_ACCEPT)) == 0;
<a class="jxr_linenumber" name="474" href="#474">474</a> 					<em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="475" href="#475">475</a> <em class="jxr_comment">					 * UDT does not support select() for connect() operation as</em>
<a class="jxr_linenumber" name="476" href="#476">476</a> <em class="jxr_comment">					 * yet; using thread pool instead</em>
<a class="jxr_linenumber" name="477" href="#477">477</a> <em class="jxr_comment">					 */</em>
<a class="jxr_linenumber" name="478" href="#478">478</a> 				}
<a class="jxr_linenumber" name="479" href="#479">479</a> 			} <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="480" href="#480">480</a> 				<strong class="jxr_keyword">synchronized</strong> (cancelledKeySet) {
<a class="jxr_linenumber" name="481" href="#481">481</a> 					cancelledKeySet.add(keyUDT);
<a class="jxr_linenumber" name="482" href="#482">482</a> 				}
<a class="jxr_linenumber" name="483" href="#483">483</a> 			}
<a class="jxr_linenumber" name="484" href="#484">484</a> 		}
<a class="jxr_linenumber" name="485" href="#485">485</a> 
<a class="jxr_linenumber" name="486" href="#486">486</a> 		<em class="jxr_comment">// set sizes</em>
<a class="jxr_linenumber" name="487" href="#487">487</a> 		setInterestSize(readSize, writeSize, exceptSize);
<a class="jxr_linenumber" name="488" href="#488">488</a> 
<a class="jxr_linenumber" name="489" href="#489">489</a> 	}
<a class="jxr_linenumber" name="490" href="#490">490</a> 
<a class="jxr_linenumber" name="491" href="#491">491</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">void</strong> processInterest() {
<a class="jxr_linenumber" name="492" href="#492">492</a> 
<a class="jxr_linenumber" name="493" href="#493">493</a> 		<em class="jxr_comment">// add ready to selected</em>
<a class="jxr_linenumber" name="494" href="#494">494</a> 		updateRead();
<a class="jxr_linenumber" name="495" href="#495">495</a> 		updateWrite();
<a class="jxr_linenumber" name="496" href="#496">496</a> 		updateExcept();
<a class="jxr_linenumber" name="497" href="#497">497</a> 
<a class="jxr_linenumber" name="498" href="#498">498</a> 	}
<a class="jxr_linenumber" name="499" href="#499">499</a> 
<a class="jxr_linenumber" name="500" href="#500">500</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="501" href="#501">501</a> <em class="jxr_javadoccomment">	 * note: millisTimeout input values contract:</em>
<a class="jxr_linenumber" name="502" href="#502">502</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="503" href="#503">503</a> <em class="jxr_javadoccomment">	 * -1 : infinite</em>
<a class="jxr_linenumber" name="504" href="#504">504</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="505" href="#505">505</a> <em class="jxr_javadoccomment">	 * =0 : immediate (but really up to 10 ms UDT resolution slice)</em>
<a class="jxr_linenumber" name="506" href="#506">506</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="507" href="#507">507</a> <em class="jxr_javadoccomment">	 * &gt;0 : finite</em>
<a class="jxr_linenumber" name="508" href="#508">508</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="509" href="#509">509</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> performSelect(<strong class="jxr_keyword">long</strong> millisTimeout) <strong class="jxr_keyword">throws</strong> ExceptionUDT {
<a class="jxr_linenumber" name="510" href="#510">510</a> 		<strong class="jxr_keyword">int</strong> readyCount = 0;
<a class="jxr_linenumber" name="511" href="#511">511</a> 		saveWakeupBase();
<a class="jxr_linenumber" name="512" href="#512">512</a> 		<strong class="jxr_keyword">if</strong> (millisTimeout &lt; 0) {
<a class="jxr_linenumber" name="513" href="#513">513</a> 			<em class="jxr_comment">/*<em class="jxr_comment"> infinite: do select in slices; check for wakeup; */</em></em>
<a class="jxr_linenumber" name="514" href="#514">514</a> 			<strong class="jxr_keyword">do</strong> {
<a class="jxr_linenumber" name="515" href="#515">515</a> 				readyCount = doSelectSocketUDT(DEFAULT_MIN_SELECTOR_TIMEOUT);
<a class="jxr_linenumber" name="516" href="#516">516</a> 				<strong class="jxr_keyword">if</strong> (readyCount &gt; 0 || isWakeupPending()) {
<a class="jxr_linenumber" name="517" href="#517">517</a> 					<strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="518" href="#518">518</a> 				}
<a class="jxr_linenumber" name="519" href="#519">519</a> 			} <strong class="jxr_keyword">while</strong> (<strong class="jxr_keyword">true</strong>);
<a class="jxr_linenumber" name="520" href="#520">520</a> 		} <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (millisTimeout &gt; 0) {
<a class="jxr_linenumber" name="521" href="#521">521</a> 			<em class="jxr_comment">/*<em class="jxr_comment"> finite: do select in slices; check for wakeup; count down */</em></em>
<a class="jxr_linenumber" name="522" href="#522">522</a> 			<strong class="jxr_keyword">do</strong> {
<a class="jxr_linenumber" name="523" href="#523">523</a> 				readyCount = doSelectSocketUDT(DEFAULT_MIN_SELECTOR_TIMEOUT);
<a class="jxr_linenumber" name="524" href="#524">524</a> 				<strong class="jxr_keyword">if</strong> (readyCount &gt; 0 || isWakeupPending()) {
<a class="jxr_linenumber" name="525" href="#525">525</a> 					<strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="526" href="#526">526</a> 				}
<a class="jxr_linenumber" name="527" href="#527">527</a> 				millisTimeout -= DEFAULT_MIN_SELECTOR_TIMEOUT;
<a class="jxr_linenumber" name="528" href="#528">528</a> 			} <strong class="jxr_keyword">while</strong> (millisTimeout &gt; 0);
<a class="jxr_linenumber" name="529" href="#529">529</a> 		} <strong class="jxr_keyword">else</strong> { <em class="jxr_comment">// millisTimeout == 0</em>
<a class="jxr_linenumber" name="530" href="#530">530</a> 			<em class="jxr_comment">/*<em class="jxr_comment"> immediate: one shot select */</em></em>
<a class="jxr_linenumber" name="531" href="#531">531</a> 			readyCount = doSelectSocketUDT(0);
<a class="jxr_linenumber" name="532" href="#532">532</a> 		}
<a class="jxr_linenumber" name="533" href="#533">533</a> 		<strong class="jxr_keyword">return</strong> readyCount;
<a class="jxr_linenumber" name="534" href="#534">534</a> 	}
<a class="jxr_linenumber" name="535" href="#535">535</a> 
<a class="jxr_linenumber" name="536" href="#536">536</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="537" href="#537">537</a> <em class="jxr_javadoccomment">	 * note: return value contract:</em>
<a class="jxr_linenumber" name="538" href="#538">538</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="539" href="#539">539</a> <em class="jxr_javadoccomment">	 * &lt;0 : should not happen</em>
<a class="jxr_linenumber" name="540" href="#540">540</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="541" href="#541">541</a> <em class="jxr_javadoccomment">	 * =0 : means nothing was selected/timeout</em>
<a class="jxr_linenumber" name="542" href="#542">542</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="543" href="#543">543</a> <em class="jxr_javadoccomment">	 * &gt;0 : number of pending r/w ops, NOT number of selected keys</em>
<a class="jxr_linenumber" name="544" href="#544">544</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="545" href="#545">545</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> doSelectReally(<strong class="jxr_keyword">long</strong> millisTimeout) <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="546" href="#546">546</a> 
<a class="jxr_linenumber" name="547" href="#547">547</a> 		selectedKeySet.clear();
<a class="jxr_linenumber" name="548" href="#548">548</a> 
<a class="jxr_linenumber" name="549" href="#549">549</a> 		processCancelled();
<a class="jxr_linenumber" name="550" href="#550">550</a> 
<a class="jxr_linenumber" name="551" href="#551">551</a> 		<strong class="jxr_keyword">int</strong> readyCount = 0;
<a class="jxr_linenumber" name="552" href="#552">552</a> 
<a class="jxr_linenumber" name="553" href="#553">553</a> 		trySelect: <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="554" href="#554">554</a> 			<em class="jxr_comment">// java.nio.Selector contract for wakeup()</em>
<a class="jxr_linenumber" name="555" href="#555">555</a> 			begin();
<a class="jxr_linenumber" name="556" href="#556">556</a> 			<em class="jxr_comment">// pre select</em>
<a class="jxr_linenumber" name="557" href="#557">557</a> 			prepareInterest();
<a class="jxr_linenumber" name="558" href="#558">558</a> 			<em class="jxr_comment">// into select</em>
<a class="jxr_linenumber" name="559" href="#559">559</a> 			readyCount = performSelect(millisTimeout);
<a class="jxr_linenumber" name="560" href="#560">560</a> 			<strong class="jxr_keyword">if</strong> (readyCount == 0) {
<a class="jxr_linenumber" name="561" href="#561">561</a> 				<em class="jxr_comment">// timeout, nothing is ready; no need to process post select</em>
<a class="jxr_linenumber" name="562" href="#562">562</a> 				<strong class="jxr_keyword">break</strong> trySelect;
<a class="jxr_linenumber" name="563" href="#563">563</a> 			}
<a class="jxr_linenumber" name="564" href="#564">564</a> 			<em class="jxr_comment">// post select</em>
<a class="jxr_linenumber" name="565" href="#565">565</a> 			processInterest();
<a class="jxr_linenumber" name="566" href="#566">566</a> 		} <strong class="jxr_keyword">finally</strong> {
<a class="jxr_linenumber" name="567" href="#567">567</a> 			<em class="jxr_comment">// java.nio.Selector contract for wakeup()</em>
<a class="jxr_linenumber" name="568" href="#568">568</a> 			end();
<a class="jxr_linenumber" name="569" href="#569">569</a> 		}
<a class="jxr_linenumber" name="570" href="#570">570</a> 
<a class="jxr_linenumber" name="571" href="#571">571</a> 		<em class="jxr_comment">// using thread pool based connect() processor</em>
<a class="jxr_linenumber" name="572" href="#572">572</a> 		readyCount += updateConnect();
<a class="jxr_linenumber" name="573" href="#573">573</a> 
<a class="jxr_linenumber" name="574" href="#574">574</a> 		assert readyCount &gt;= 0;
<a class="jxr_linenumber" name="575" href="#575">575</a> 
<a class="jxr_linenumber" name="576" href="#576">576</a> 		<strong class="jxr_keyword">return</strong> readyCount;
<a class="jxr_linenumber" name="577" href="#577">577</a> 
<a class="jxr_linenumber" name="578" href="#578">578</a> 	}
<a class="jxr_linenumber" name="579" href="#579">579</a> 
<a class="jxr_linenumber" name="580" href="#580">580</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> updateConnect() {
<a class="jxr_linenumber" name="581" href="#581">581</a> 		<strong class="jxr_keyword">final</strong> Queue&lt;SelectionKeyUDT&gt; readyQueue = connectorPool.readyQueue;
<a class="jxr_linenumber" name="582" href="#582">582</a> 		<strong class="jxr_keyword">if</strong> (readyQueue.isEmpty()) {
<a class="jxr_linenumber" name="583" href="#583">583</a> 			<strong class="jxr_keyword">return</strong> 0;
<a class="jxr_linenumber" name="584" href="#584">584</a> 		}
<a class="jxr_linenumber" name="585" href="#585">585</a> 		<strong class="jxr_keyword">int</strong> updateCount = 0;
<a class="jxr_linenumber" name="586" href="#586">586</a> 		SelectionKeyUDT keyUDT;
<a class="jxr_linenumber" name="587" href="#587">587</a> 		<strong class="jxr_keyword">while</strong> ((keyUDT = readyQueue.poll()) != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="588" href="#588">588</a> 			<em class="jxr_comment">// contract:</em>
<a class="jxr_linenumber" name="589" href="#589">589</a> 			assert keyUDT.channelUDT.getChannelKind() == KindUDT.CONNECTOR;
<a class="jxr_linenumber" name="590" href="#590">590</a> 			assert registeredKeySet.contains(keyUDT);
<a class="jxr_linenumber" name="591" href="#591">591</a> 			assert (keyUDT.interestOps &amp; OP_CONNECT) != 0;
<a class="jxr_linenumber" name="592" href="#592">592</a> 			assert (keyUDT.interestOps &amp; (OP_READ | OP_WRITE | OP_ACCEPT)) == 0;
<a class="jxr_linenumber" name="593" href="#593">593</a> 			<em class="jxr_comment">//</em>
<a class="jxr_linenumber" name="594" href="#594">594</a> 			keyUDT.readyOps |= OP_CONNECT;
<a class="jxr_linenumber" name="595" href="#595">595</a> 			selectedKeySet.add(keyUDT);
<a class="jxr_linenumber" name="596" href="#596">596</a> 			updateCount++;
<a class="jxr_linenumber" name="597" href="#597">597</a> 		}
<a class="jxr_linenumber" name="598" href="#598">598</a> 		<strong class="jxr_keyword">return</strong> updateCount;
<a class="jxr_linenumber" name="599" href="#599">599</a> 	}
<a class="jxr_linenumber" name="600" href="#600">600</a> 
<a class="jxr_linenumber" name="601" href="#601">601</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">void</strong> updateRead() {
<a class="jxr_linenumber" name="602" href="#602">602</a> 		<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> readSize = getReadInterestSize();
<a class="jxr_linenumber" name="603" href="#603">603</a> 		<strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> index = 0; index &lt; readSize; index++) {
<a class="jxr_linenumber" name="604" href="#604">604</a> 			<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> socketId = getReadInterest(index);
<a class="jxr_linenumber" name="605" href="#605">605</a> 			<strong class="jxr_keyword">final</strong> <a href="../../../../com/barchart/udt/nio/SelectionKeyUDT.html">SelectionKeyUDT</a> keyUDT = registeredKeyMap.get(socketId);
<a class="jxr_linenumber" name="606" href="#606">606</a> 			assert keyUDT != <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="607" href="#607">607</a> 			<strong class="jxr_keyword">switch</strong> (keyUDT.channelUDT.getChannelKind()) {
<a class="jxr_linenumber" name="608" href="#608">608</a> 			<strong class="jxr_keyword">case</strong> ACCEPTOR:
<a class="jxr_linenumber" name="609" href="#609">609</a> 				keyUDT.readyOps |= OP_ACCEPT;
<a class="jxr_linenumber" name="610" href="#610">610</a> 				<strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="611" href="#611">611</a> 			<strong class="jxr_keyword">case</strong> CONNECTOR:
<a class="jxr_linenumber" name="612" href="#612">612</a> 				keyUDT.readyOps |= OP_READ;
<a class="jxr_linenumber" name="613" href="#613">613</a> 				<strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="614" href="#614">614</a> 			<strong class="jxr_keyword">default</strong>:
<a class="jxr_linenumber" name="615" href="#615">615</a> 				assert false : <span class="jxr_string">"unexpected default"</span>;
<a class="jxr_linenumber" name="616" href="#616">616</a> 				<strong class="jxr_keyword">continue</strong>;
<a class="jxr_linenumber" name="617" href="#617">617</a> 			}
<a class="jxr_linenumber" name="618" href="#618">618</a> 			selectedKeySet.add(keyUDT);
<a class="jxr_linenumber" name="619" href="#619">619</a> 		}
<a class="jxr_linenumber" name="620" href="#620">620</a> 	}
<a class="jxr_linenumber" name="621" href="#621">621</a> 
<a class="jxr_linenumber" name="622" href="#622">622</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">void</strong> updateWrite() {
<a class="jxr_linenumber" name="623" href="#623">623</a> 		<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> writeSize = getWriteInterestSize();
<a class="jxr_linenumber" name="624" href="#624">624</a> 		<strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> index = 0; index &lt; writeSize; index++) {
<a class="jxr_linenumber" name="625" href="#625">625</a> 			<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> socketId = getWriteInterest(index);
<a class="jxr_linenumber" name="626" href="#626">626</a> 			<strong class="jxr_keyword">final</strong> <a href="../../../../com/barchart/udt/nio/SelectionKeyUDT.html">SelectionKeyUDT</a> keyUDT = registeredKeyMap.get(socketId);
<a class="jxr_linenumber" name="627" href="#627">627</a> 			assert keyUDT != <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="628" href="#628">628</a> 			<strong class="jxr_keyword">switch</strong> (keyUDT.channelUDT.getChannelKind()) {
<a class="jxr_linenumber" name="629" href="#629">629</a> 			<strong class="jxr_keyword">case</strong> ACCEPTOR:
<a class="jxr_linenumber" name="630" href="#630">630</a> 				assert false : <span class="jxr_string">"unexpected ACCEPTOR"</span>;
<a class="jxr_linenumber" name="631" href="#631">631</a> 				<strong class="jxr_keyword">continue</strong>;
<a class="jxr_linenumber" name="632" href="#632">632</a> 			<strong class="jxr_keyword">case</strong> CONNECTOR:
<a class="jxr_linenumber" name="633" href="#633">633</a> 				keyUDT.readyOps |= OP_WRITE;
<a class="jxr_linenumber" name="634" href="#634">634</a> 				<strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="635" href="#635">635</a> 			<strong class="jxr_keyword">default</strong>:
<a class="jxr_linenumber" name="636" href="#636">636</a> 				assert false : <span class="jxr_string">"unexpected default"</span>;
<a class="jxr_linenumber" name="637" href="#637">637</a> 				<strong class="jxr_keyword">continue</strong>;
<a class="jxr_linenumber" name="638" href="#638">638</a> 			}
<a class="jxr_linenumber" name="639" href="#639">639</a> 			selectedKeySet.add(keyUDT);
<a class="jxr_linenumber" name="640" href="#640">640</a> 		}
<a class="jxr_linenumber" name="641" href="#641">641</a> 	}
<a class="jxr_linenumber" name="642" href="#642">642</a> 
<a class="jxr_linenumber" name="643" href="#643">643</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">void</strong> updateExcept() {
<a class="jxr_linenumber" name="644" href="#644">644</a> 		<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> exceptSize = getExceptInterestSize();
<a class="jxr_linenumber" name="645" href="#645">645</a> 		<strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> k = 0; k &lt; exceptSize; k++) {
<a class="jxr_linenumber" name="646" href="#646">646</a> 			<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> socketId = getExceptInterest(k);
<a class="jxr_linenumber" name="647" href="#647">647</a> 			<strong class="jxr_keyword">final</strong> <a href="../../../../com/barchart/udt/nio/SelectionKeyUDT.html">SelectionKeyUDT</a> keyUDT = registeredKeyMap.get(socketId);
<a class="jxr_linenumber" name="648" href="#648">648</a> 			assert keyUDT != <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="649" href="#649">649</a> 			<strong class="jxr_keyword">switch</strong> (keyUDT.channelUDT.getChannelKind()) {
<a class="jxr_linenumber" name="650" href="#650">650</a> 			<strong class="jxr_keyword">case</strong> ACCEPTOR:
<a class="jxr_linenumber" name="651" href="#651">651</a> 			<strong class="jxr_keyword">case</strong> CONNECTOR:
<a class="jxr_linenumber" name="652" href="#652">652</a> 				<em class="jxr_comment">// set all ready OPS to throw on any operation</em>
<a class="jxr_linenumber" name="653" href="#653">653</a> 				keyUDT.readyOps |= keyUDT.channel().validOps();
<a class="jxr_linenumber" name="654" href="#654">654</a> 				<strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="655" href="#655">655</a> 			<strong class="jxr_keyword">default</strong>:
<a class="jxr_linenumber" name="656" href="#656">656</a> 				assert false : <span class="jxr_string">"unexpected default"</span>;
<a class="jxr_linenumber" name="657" href="#657">657</a> 				<strong class="jxr_keyword">continue</strong>;
<a class="jxr_linenumber" name="658" href="#658">658</a> 			}
<a class="jxr_linenumber" name="659" href="#659">659</a> 			selectedKeySet.add(keyUDT);
<a class="jxr_linenumber" name="660" href="#660">660</a> 		}
<a class="jxr_linenumber" name="661" href="#661">661</a> 	}
<a class="jxr_linenumber" name="662" href="#662">662</a> 
<a class="jxr_linenumber" name="663" href="#663">663</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">void</strong> processCancelled() <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="664" href="#664">664</a> 		<em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="665" href="#665">665</a> <em class="jxr_comment">		 * Precondition: Synchronized on this, publicRegisteredKeySet,</em>
<a class="jxr_linenumber" name="666" href="#666">666</a> <em class="jxr_comment">		 * publicSelectedKeySet</em>
<a class="jxr_linenumber" name="667" href="#667">667</a> <em class="jxr_comment">		 */</em>
<a class="jxr_linenumber" name="668" href="#668">668</a> 		<strong class="jxr_keyword">synchronized</strong> (cancelledKeySet) {
<a class="jxr_linenumber" name="669" href="#669">669</a> 			<strong class="jxr_keyword">if</strong> (!cancelledKeySet.isEmpty()) {
<a class="jxr_linenumber" name="670" href="#670">670</a> 				<strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">final</strong> SelectionKey key : cancelledKeySet) {
<a class="jxr_linenumber" name="671" href="#671">671</a> 
<a class="jxr_linenumber" name="672" href="#672">672</a> 					<strong class="jxr_keyword">final</strong> <a href="../../../../com/barchart/udt/nio/SelectionKeyUDT.html">SelectionKeyUDT</a> keyUDT = (SelectionKeyUDT) key;
<a class="jxr_linenumber" name="673" href="#673">673</a> 
<a class="jxr_linenumber" name="674" href="#674">674</a> 					<em class="jxr_comment">// XXX the only place with "remove"</em>
<a class="jxr_linenumber" name="675" href="#675">675</a> 
<a class="jxr_linenumber" name="676" href="#676">676</a> 					<strong class="jxr_keyword">final</strong> <a href="../../../../com/barchart/udt/nio/SelectionKeyUDT.html">SelectionKeyUDT</a> removed = <em class="jxr_comment">//</em>
<a class="jxr_linenumber" name="677" href="#677">677</a> 					registeredKeyMap.remove(keyUDT.socketID);
<a class="jxr_linenumber" name="678" href="#678">678</a> 					assert removed != <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="679" href="#679">679</a> 
<a class="jxr_linenumber" name="680" href="#680">680</a> 					<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> isRemoved = <em class="jxr_comment">//</em>
<a class="jxr_linenumber" name="681" href="#681">681</a> 					registeredKeySet.remove(keyUDT);
<a class="jxr_linenumber" name="682" href="#682">682</a> 					assert isRemoved;
<a class="jxr_linenumber" name="683" href="#683">683</a> 
<a class="jxr_linenumber" name="684" href="#684">684</a> 				}
<a class="jxr_linenumber" name="685" href="#685">685</a> 				cancelledKeySet.clear();
<a class="jxr_linenumber" name="686" href="#686">686</a> 			}
<a class="jxr_linenumber" name="687" href="#687">687</a> 		}
<a class="jxr_linenumber" name="688" href="#688">688</a> 	}
<a class="jxr_linenumber" name="689" href="#689">689</a> 
<a class="jxr_linenumber" name="690" href="#690">690</a> 	<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">void</strong> submitConnectRequest(<a href="../../../../com/barchart/udt/nio/SelectionKeyUDT.html">SelectionKeyUDT</a> keyUDT,
<a class="jxr_linenumber" name="691" href="#691">691</a> 			InetSocketAddress remote) <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="692" href="#692">692</a> 
<a class="jxr_linenumber" name="693" href="#693">693</a> 		<em class="jxr_comment">// TODO think again if lack of sync is OK?</em>
<a class="jxr_linenumber" name="694" href="#694">694</a> 
<a class="jxr_linenumber" name="695" href="#695">695</a> 		<strong class="jxr_keyword">if</strong> (!registeredKeySet.contains(keyUDT)) {
<a class="jxr_linenumber" name="696" href="#696">696</a> 			<strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IOException(<em class="jxr_comment">//</em>
<a class="jxr_linenumber" name="697" href="#697">697</a> 					<span class="jxr_string">"connect request while not registered"</span>);
<a class="jxr_linenumber" name="698" href="#698">698</a> 		}
<a class="jxr_linenumber" name="699" href="#699">699</a> 
<a class="jxr_linenumber" name="700" href="#700">700</a> 		<strong class="jxr_keyword">if</strong> ((keyUDT.interestOps &amp; OP_CONNECT) == 0) {
<a class="jxr_linenumber" name="701" href="#701">701</a> 			<strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"connect request while not interested;"</span>
<a class="jxr_linenumber" name="702" href="#702">702</a> 					+ <span class="jxr_string">" key="</span> + keyUDT);
<a class="jxr_linenumber" name="703" href="#703">703</a> 		}
<a class="jxr_linenumber" name="704" href="#704">704</a> 
<a class="jxr_linenumber" name="705" href="#705">705</a> 		<strong class="jxr_keyword">if</strong> ((keyUDT.interestOps &amp; (OP_ACCEPT | OP_READ | OP_WRITE)) != 0) {
<a class="jxr_linenumber" name="706" href="#706">706</a> 			<strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"connect request while is not sole interest;"</span>
<a class="jxr_linenumber" name="707" href="#707">707</a> 					+ <span class="jxr_string">" key="</span> + keyUDT);
<a class="jxr_linenumber" name="708" href="#708">708</a> 		}
<a class="jxr_linenumber" name="709" href="#709">709</a> 
<a class="jxr_linenumber" name="710" href="#710">710</a> 		connectorPool.submitRequest(keyUDT, remote);
<a class="jxr_linenumber" name="711" href="#711">711</a> 
<a class="jxr_linenumber" name="712" href="#712">712</a> 	}
<a class="jxr_linenumber" name="713" href="#713">713</a> 
<a class="jxr_linenumber" name="714" href="#714">714</a> }
</pre>
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